Overview of the TREC 2004 Novelty Track

[摘要] TREC 2004 marks the third and final year for the novelty track. The task is as follows: Given a TREC topic and an ordered list of documents, systems must find the relevant and novel sentences that should be returned to the user from this set. This task inte grates aspects of passage retrieval and information filtering. As in 2003, there were two categories of top icsevents and opinionsand four subtasks which provided systems with varying amounts of relevance or novelty information as training data. This year, the task was made harder by the inclusion of some number of irrelevant documents in document sets.

[学科分类] 社会科学、人文和艺术（综合）